From ef506f545b13ed8fcaa3a0b8a0ff65febf59e712 Mon Sep 17 00:00:00 2001
From: Andrew Niefer <aniefer@ca.ibm.com>
Date: Tue, 25 May 2004 22:20:43 +0000
Subject: [PATCH] fix bug 64010: if else if recursion looks like stack overflow

---
 .../parser/tests/CompleteParseASTTest.java    | 19 +++++++++++++++++++
 .../cdt/internal/core/parser/Parser.java      |  6 +++++-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseASTTest.java b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseASTTest.java
index b4bf63b8764..d797eb8b8e8 100644
--- a/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseASTTest.java
+++ b/core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/CompleteParseASTTest.java
@@ -1867,4 +1867,23 @@ public class CompleteParseASTTest extends CompleteParseBaseTest
     	
 
 	}
+    
+    public void testBug64010() throws Exception
+	{
+    	Writer writer = new StringWriter();
+    	writer.write( " #define ONE	else if (0) { } \n");
+    	writer.write( " #define TEN	ONE ONE ONE ONE ONE ONE ONE ONE ONE ONE \n ");
+    	writer.write( " #define HUN	TEN TEN TEN TEN TEN TEN TEN TEN TEN TEN \n ");
+    	writer.write( " #define THOU	HUN HUN HUN HUN HUN HUN HUN HUN HUN HUN \n");
+		writer.write("void foo()                                                ");
+		writer.write("{                                                         ");
+		writer.write("   if (0) { }                                             ");
+		writer.write("   /* 11,000 else if's.  */                               ");
+		writer.write("   THOU THOU THOU THOU THOU THOU THOU THOU THOU THOU THOU ");
+		writer.write("}                                                         ");
+		
+		Iterator d = parse( writer.toString() ).getDeclarations();
+	
+		IASTFunction f = (IASTFunction) d.next();
+	}
 }
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
index 27fc3075525..c333497bf87 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/Parser.java
@@ -2855,7 +2855,11 @@ public abstract class Parser extends ExpressionParser implements IParser
                 if (LT(1) == IToken.t_else)
                 {
                     consume( IToken.t_else );
-                    if( LT(1) != IToken.tLBRACE )
+                    if( LT(1) == IToken.t_if ){
+                    	//an else if, return and get the rest of the else if as the next statement instead of recursing
+                    	cleanupLastToken();
+                    	return;
+                    } else if( LT(1) != IToken.tLBRACE )
 						singleStatementScope(scope);
                     else
                     	statement( scope );